visual storage scans any QR code (version 1 to version 40) and saves the data payload contained in the QR code as a file on your iPhone. With modern compression technology, photos and even short videos can be stored directly on QR codes. As such, this app works as a form of visual file delivery without an internet connection.
If the file is ≤2,953 bytes, it can be stored on a QR code, and it can be scanned by visual storage. Such files can include, but are not limited to: